<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>CSS Masking: mask-image: SVG masks apply on border area</title>
    <link rel="author" title="CJ Ku" href="mailto:cku@mozilla.com">
    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
    <link rel="help" href="https://www.w3.org/TR/css-masking-1/#the-mask-image">
    <link rel="match" href="mask-image-3-ref.html">
    <meta name="assert" content="Test checks whether SVG mask layer can be positioned on box-shadow area correctly or not.">
    <meta name="fuzzy" content="0-1; 0-100">
    <svg height="0">
      <mask id="mask1" x="-100" y="-100" width="300" height="300" maskUnits="userSpaceOnUse">
        <rect x="-100" y="-100" width="50" height="50" style="stroke:none; fill: #ffffff"/>
      </mask>
      <mask id="mask2" x="-100" y="-100" width="300" height="300" maskUnits="userSpaceOnUse">
        <circle cx="-50" cy="-50" r="25" style="stroke:none; fill: #ffffff"/>
      </mask>
    </svg>
    <style type="text/css">
      div {
        background-color: red;
        mask-image: url(#mask1), url(#mask2);
        box-shadow: 0 0 0 100px purple;
        width: 100px;
        height: 100px;
        position: relative;
        left: 100px;
        top: 100px;
      }
    </style>
  </head>
  <body>
    <div></div>
  </body>
</html>
